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प्र: When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ? 1433 0

उत्तर : 2. "36"
व्याख्या :
Answer: B) 36 Explanation: Total number of students = 54 x 30When arranged in rows of 45, number of rows formed are, 54x3045 = 36.

प्र: Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice? 1433 0

उत्तर : 2. "Rs. 8/kg"
व्याख्या :
Answer: B) Rs. 8/kg Explanation: Let the selling price of the rice = Rs.P/kg Now, according to the question, 1040 - 100p = 30p => p = 8/kg Hence, the selling price of the rice = Rs. 8/kg

प्र: Which is faster Light or Sound? 1426 1

उत्तर : 1. "Light"
व्याख्या :
Answer: A) Light Explanation: Light travels Faster than Sound. Light : 1. Light doesn't require a medium to travel. 2. It travels in the vaccum with the speed of 1,86,000 miles per second. Sound: 1. Sound rquire a medium. 2. It travels in the Air with the speed of 340 meters per second. 3. It travels Faster in Water than in Air. 4. It travels Faster in Steel than in Water.

प्र: What animals eat both producers and consumers? 1426 0

उत्तर : 2. "Omnivores"
व्याख्या :
Answer: B) Omnivores Explanation: Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.

प्र: 'Brothers and sisters, I have none. But that man's father is my father's son'.How I and that man are related respectively? 1410 0

उत्तर : 1. "Father & Son"
व्याख्या :
Answer: A) Father & Son Explanation: Given that man's father is my father's son => Me because i have no brothers => Mans father is me. Hence, that man is my Son.

प्र: Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 m x 5 m when 10% of its volume is occupied by concrete ? 1408 0

उत्तर : 1. "6000"
व्याख्या :
Answer: A) 6000 Explanation: Let 'B' be the nuber of bricks. => 10 x 4/100 x 5 x 90/100 = 25/100 x 15/100 x 8/100 x B => 10 x 20 x 90 = 15 x 2 x B => B = 6000

प्र: What does 'M' stand for in Roman numerals? 1407 0

उत्तर : 4. "1000"
व्याख्या :
Answer: D) 1000 Explanation: Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X.

प्र: A farmer divides his herd of k cows among his 4 sons, so that one son gets one half of the herd, the second gets one-fourth, the third gets one-fifth and the fourth gets 9 cows. Then k is equal to ? 1406 0

उत्तर : 4. "180"
व्याख्या :
Answer: D) 180 Explanation: Given total number of cows = kNow, 1st son share = k/22nd son share = k/43rd son share = k/54th son share = 9 (k) + (k/4) + (k/5) + 9 = k=> k - (19k/20) = 9=> (20k-19k)/20 = 9=> k = 180.

प्र: When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ? 1433 05b5cc736e4d2b4197774f88d

उत्तर : 2. "36" व्याख्या :Answer: B) 36 Explanation: Total number of students = 54 x 30When arranged in rows of 45, number of rows formed are, 54x3045 = 36.

प्र: Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice? 1433 05b5cc6b3e4d2b4197774d3e3

उत्तर : 2. "Rs. 8/kg" व्याख्या :Answer: B) Rs. 8/kg Explanation: Let the selling price of the rice = Rs.P/kg Now, according to the question, 1040 - 100p = 30p => p = 8/kg Hence, the selling price of the rice = Rs. 8/kg

प्र: Which is faster Light or Sound? 1426 15b5cc6b3e4d2b4197774d463

प्र: What animals eat both producers and consumers? 1426 05b5cc66de4d2b4197774bfc0

उत्तर : 2. "Omnivores" व्याख्या :Answer: B) Omnivores Explanation: Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.

प्र: 'Brothers and sisters, I have none. But that man's father is my father's son'.How I and that man are related respectively? 1410 05b5cc6a3e4d2b4197774cc10

उत्तर : 1. "Father & Son" व्याख्या :Answer: A) Father & Son Explanation: Given that man's father is my father's son => Me because i have no brothers => Mans father is me. Hence, that man is my Son.

प्र: Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 m x 5 m when 10% of its volume is occupied by concrete ? 1408 05b5cc6eee4d2b4197774ef16

उत्तर : 1. "6000" व्याख्या :Answer: A) 6000 Explanation: Let 'B' be the nuber of bricks. => 10 x 4/100 x 5 x 90/100 = 25/100 x 15/100 x 8/100 x B => 10 x 20 x 90 = 15 x 2 x B => B = 6000

प्र: What does 'M' stand for in Roman numerals? 1407 05b5cc662e4d2b4197774be8f

उत्तर : 4. "1000" व्याख्या :Answer: D) 1000 Explanation: Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X.

प्र: A farmer divides his herd of k cows among his 4 sons, so that one son gets one half of the herd, the second gets one-fourth, the third gets one-fifth and the fourth gets 9 cows. Then k is equal to ? 1406 05b5cc73de4d2b4197774f92a

उत्तर : 4. "180" व्याख्या :Answer: D) 180 Explanation: Given total number of cows = kNow, 1st son share = k/22nd son share = k/43rd son share = k/54th son share = 9 (k) + (k/4) + (k/5) + 9 = k=> k - (19k/20) = 9=> (20k-19k)/20 = 9=> k = 180.

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प्र: When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ? 1433 0

उत्तर : 2. "36"
व्याख्या :
Answer: B) 36 Explanation: Total number of students = 54 x 30When arranged in rows of 45, number of rows formed are, 54x3045 = 36.

प्र: Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice? 1433 0

उत्तर : 2. "Rs. 8/kg"
व्याख्या :
Answer: B) Rs. 8/kg Explanation: Let the selling price of the rice = Rs.P/kg Now, according to the question, 1040 - 100p = 30p => p = 8/kg Hence, the selling price of the rice = Rs. 8/kg

प्र: Which is faster Light or Sound? 1426 1

प्र: What animals eat both producers and consumers? 1426 0

उत्तर : 2. "Omnivores"
व्याख्या :
Answer: B) Omnivores Explanation: Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.

प्र: 'Brothers and sisters, I have none. But that man's father is my father's son'.How I and that man are related respectively? 1410 0

उत्तर : 1. "Father & Son"
व्याख्या :
Answer: A) Father & Son Explanation: Given that man's father is my father's son => Me because i have no brothers => Mans father is me. Hence, that man is my Son.

प्र: Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 m x 5 m when 10% of its volume is occupied by concrete ? 1408 0

उत्तर : 1. "6000"
व्याख्या :
Answer: A) 6000 Explanation: Let 'B' be the nuber of bricks. => 10 x 4/100 x 5 x 90/100 = 25/100 x 15/100 x 8/100 x B => 10 x 20 x 90 = 15 x 2 x B => B = 6000

प्र: What does 'M' stand for in Roman numerals? 1407 0

उत्तर : 4. "1000"
व्याख्या :
Answer: D) 1000 Explanation: Letters of the alphabet used in ancient Rome to represent numbers: I = 1; V = 5; X = 10; L = 50; C = 100; D = 500; M = 1000. The numbers one through ten are written I, II, III, IV, V, VI, VII, VIII, IX, and X.

प्र: A farmer divides his herd of k cows among his 4 sons, so that one son gets one half of the herd, the second gets one-fourth, the third gets one-fifth and the fourth gets 9 cows. Then k is equal to ? 1406 0

उत्तर : 4. "180"
व्याख्या :
Answer: D) 180 Explanation: Given total number of cows = kNow, 1st son share = k/22nd son share = k/43rd son share = k/54th son share = 9 (k) + (k/4) + (k/5) + 9 = k=> k - (19k/20) = 9=> (20k-19k)/20 = 9=> k = 180.